package 包装类;

public class Text_2 {
    public static void main(String[] args) {
        Integer a =100;
        Integer b = 100;
        System.out.println(a==b);

        Integer a1 =200;
        Integer b1 =200;
        System.out.println(a1 ==b1);

        Integer a2 = 127;
        Integer b2 = 127;
        System.out.println(a2==b2);
        //范围：-128~127
    }
}
